2019高三·全国·专题练习
1 . 已知二次函数
的图象与
轴交于点
,图象关于
对称,且
.
(1)求
的解析式;
(2)若函数
为奇函数,求
的值;
(3)是否存在实数
,使
的定义域与值域分别是
,若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80572ee260861ef2fda0a7f631b8a716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fc49d7aa36586488acf96ccdd0bbd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8279140f3a6eb1e7171e524403c07876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c1821f226783152f1f7ba2cd73676a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d408a5e7feb412def83481236961b963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b0433240f028dbcbd09a26e3f42132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b178e5a926014a2854103b204f52fa41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea0595c0c301a43c854a5dd1c548441.png)
您最近一年使用:0次
2 . 已知函数
,则y的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdf9de3de6c6b0bcb8e138b594a0302.png)
您最近一年使用:0次
2019-05-16更新
|
4368次组卷
|
3卷引用:步步高初高中衔接教材数学暑假作业:衔接达标测试